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Given an audio signal with spectral components in the frequency band 300 to 3,000 Hz, assume that a sampling rate of 7 kHz will be used to generate a PCM signal. Design an appropriate PCM system as follows:
(a) Draw a block diagram of the PCM system, including the transmitter, channel, and receiver.
(b) Specify the number of uniform quantization steps needed and the channel null bandwidth required, assuming that the peak signal-to-noise ratio at the receiver output needs to be at least 30 dB and that polar NRZ signaling is used.
(c) Discuss how nonuniform quantization can be used to improve the performance of the system.
Create a cron file that will regularly perform the following back ups: performs a level 0 backup once per month and performs a level 2 dump one day per week
when does R display character vectors/strings without quotes?
With regards to network security, and specifically IP Security, At which layers of the network stack architecture should a solution be attempted? Provide details
CLG lyk colg placement information and tieup with companys information
1. Please identify what you feel are necessary components of a strategic plan for desktop security. 2. Please explain why the components you identify are necessary and important.
Assume that the simple CPU of Section 3.10 is modified to address an unlimited number of memory locations. Show that it can realize any Boolean function by demonstrating that it can compute the Boolean operations AND, OR, and NOT.
For testing purposes, you may do a compile-time initialization of a 6 x 3 two-dimensional array. Display both the two-dimensional and the one-dimensional array.
Given a string and an int n, return a string made of the first n characters of the string, followed by the first n-1 characters of the string, and so on
Discuss the main categories of data models.
Explain the key features of the product on which your users will be trained. Explain how the content of the manual will address the needs of end users at various levels of technical expertise. Describe your manual and discuss how it will be comprehen..
In conversations with PVSS, you have talked about the long-term strategic goals and plans for expansion.
Write a 2 page research paper (excluding the title page) on logical, circular, and arithmetic shift operations. Use an example not discussed in the textbook to explain these shift operations.
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